Senior IRIS/Cache Engineer

HL7 Interfacing Inc. is actively seeking six experienced Senior IRIS/Cache Engineers to join our remote team. These are contract roles supporting healthcare data interoperability across major clinical systems. We’re looking for candidates with a strong foundation in InterSystems IRIS/Cache, HL7 integration, and experience working in cloud or containerized environments.

• Design, develop, and maintain applications using IRIS/Cache technologies.

• Implement CQ Initiator/Responder workflows with an emphasis on performance and reliability.

• Develop and integrate complex HL7 interfaces using SDA, CCDA, and JSON standards.

• Support IRIS production and deployment within Kubernetes environments using IKO.

• Collaborate with internal and external teams to optimize integration workflows.

• Troubleshoot complex issues and provide analytical solutions rooted in domain expertise.

• Use SFTP, HL7, and HTTP adapters to support efficient data exchange.

• Maintain code and version control using GitHub, Serena, and VSCode in Linux/Unix systems.

• IRIS/Cache object scripting, custom classes, extension properties – 7/10

• IRIS production and IKO deployment (Kubernetes) – 6/10

• Custom HL7 (SDA, CCDA, JSON) interface development – 8/10

• CQ Initiator/Responder workflows – 7/10

• Azure cloud exposure – basic

• Adapter usage (SFTP, HL7, HTTP) – 6/10

• Communication and collaboration – 7/10

• Version control and Linux-based dev environment – strong

• Bachelor’s degree in Computer Science or related field

• Minimum 4 years of experience working with InterSystems IRIS/Cache

• Proven experience developing HL7 interfaces with SDA, CCDA, and JSON

• Familiarity with cloud environments, especially Azure

• Strong problem-solving and analytical capabilities

• Excellent communication skills in team-based environments

• Contract-based (W2, 1099, or Corp-to-Corp)

• Duration: 6 to 24 months

• 100% remote

• Compensation options:

• $6,250/month on C2C

• $39/hour on 1099

• $34/hour on W2

• All-inclusive — no benefits provided